achievement

1. Origins, structure, and basic meaning

• Structure: 績 has 17 strokes and appears in words for grades, performance, or achievements.
• Basic usage: 成績 is read せいせき, and 実績 is read じっせき.

2. Common pitfalls and similar expressions

• 成績 and 実績
  • 成績 means grades or performance.
  • 今学期は数学の成績が大きく上がった。 means “My math grades improved significantly this semester.”
  • 実績 means performance or achievement.
  • 過去の販売実績を表にまとめた。 means “We organized past sales performance in a table.”